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[proxmark3-svn] / client / cmdhfmf.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2011,2012 Merlok
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // High frequency MIFARE commands
9 //-----------------------------------------------------------------------------
10
11 #include "cmdhfmf.h"
12 #include "cmdhfmfhard.h"
13 #include "nonce2key/nonce2key.h"
14
15 static int CmdHelp(const char *Cmd);
16
17 int CmdHF14AMifare(const char *Cmd)
18 {
19 uint32_t uid = 0;
20 uint32_t nt = 0, nr = 0;
21 uint64_t par_list = 0, ks_list = 0, r_key = 0;
22 int16_t isOK = 0;
23
24 UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}};
25
26 // message
27 printf("-------------------------------------------------------------------------\n");
28 printf("Executing command. Expected execution time: 25sec on average :-)\n");
29 printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");
30 printf("-------------------------------------------------------------------------\n");
31
32
33 start:
34 clearCommandBuffer();
35 SendCommand(&c);
36
37 //flush queue
38 while (ukbhit()) getchar();
39
40 // wait cycle
41 while (true) {
42 printf(".");
43 fflush(stdout);
44 if (ukbhit()) {
45 getchar();
46 printf("\naborted via keyboard!\n");
47 break;
48 }
49
50 UsbCommand resp;
51 if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
52 isOK = resp.arg[0];
53 uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);
54 nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);
55 par_list = bytes_to_num(resp.d.asBytes + 8, 8);
56 ks_list = bytes_to_num(resp.d.asBytes + 16, 8);
57 nr = bytes_to_num(resp.d.asBytes + 24, 4);
58 printf("\n\n");
59 switch (isOK) {
60 case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;
61 case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;
62 case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;
63 case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
64 PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;
65 default: ;
66 }
67 break;
68 }
69 }
70
71 printf("\n");
72
73 // error
74 if (isOK != 1) return 1;
75
76 // execute original function from util nonce2key
77 if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) {
78 isOK = 2;
79 PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);
80 PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");
81 c.arg[0] = false;
82 goto start;
83 } else {
84 isOK = 0;
85 printf("------------------------------------------------------------------\n");
86 PrintAndLog("Found valid key: %012"llx" \n", r_key);
87 }
88
89 PrintAndLog("");
90 return 0;
91 }
92
93 int CmdHF14AMfWrBl(const char *Cmd)
94 {
95 uint8_t blockNo = 0;
96 uint8_t keyType = 0;
97 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
98 uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
99
100 char cmdp = 0x00;
101
102 if (strlen(Cmd)<3) {
103 PrintAndLog("Usage: hf mf wrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
104 PrintAndLog(" sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
105 return 0;
106 }
107
108 blockNo = param_get8(Cmd, 0);
109 cmdp = param_getchar(Cmd, 1);
110 if (cmdp == 0x00) {
111 PrintAndLog("Key type must be A or B");
112 return 1;
113 }
114 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
115 if (param_gethex(Cmd, 2, key, 12)) {
116 PrintAndLog("Key must include 12 HEX symbols");
117 return 1;
118 }
119 if (param_gethex(Cmd, 3, bldata, 32)) {
120 PrintAndLog("Block data must include 32 HEX symbols");
121 return 1;
122 }
123 PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
124 PrintAndLog("--data: %s", sprint_hex(bldata, 16));
125
126 UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
127 memcpy(c.d.asBytes, key, 6);
128 memcpy(c.d.asBytes + 10, bldata, 16);
129 clearCommandBuffer();
130 SendCommand(&c);
131
132 UsbCommand resp;
133 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
134 uint8_t isOK = resp.arg[0] & 0xff;
135 PrintAndLog("isOk:%02x", isOK);
136 } else {
137 PrintAndLog("Command execute timeout");
138 }
139
140 return 0;
141 }
142
143 int CmdHF14AMfRdBl(const char *Cmd)
144 {
145 uint8_t blockNo = 0;
146 uint8_t keyType = 0;
147 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
148
149 char cmdp = 0x00;
150
151
152 if (strlen(Cmd)<3) {
153 PrintAndLog("Usage: hf mf rdbl <block number> <key A/B> <key (12 hex symbols)>");
154 PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF ");
155 return 0;
156 }
157
158 blockNo = param_get8(Cmd, 0);
159 cmdp = param_getchar(Cmd, 1);
160 if (cmdp == 0x00) {
161 PrintAndLog("Key type must be A or B");
162 return 1;
163 }
164 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
165 if (param_gethex(Cmd, 2, key, 12)) {
166 PrintAndLog("Key must include 12 HEX symbols");
167 return 1;
168 }
169 PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));
170
171 UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
172 memcpy(c.d.asBytes, key, 6);
173 clearCommandBuffer();
174 SendCommand(&c);
175
176 UsbCommand resp;
177 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
178 uint8_t isOK = resp.arg[0] & 0xff;
179 uint8_t *data = resp.d.asBytes;
180
181 if (isOK)
182 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
183 else
184 PrintAndLog("isOk:%02x", isOK);
185 } else {
186 PrintAndLog("Command execute timeout");
187 }
188
189 return 0;
190 }
191
192 int CmdHF14AMfRdSc(const char *Cmd)
193 {
194 int i;
195 uint8_t sectorNo = 0;
196 uint8_t keyType = 0;
197 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
198 uint8_t isOK = 0;
199 uint8_t *data = NULL;
200 char cmdp = 0x00;
201
202 if (strlen(Cmd)<3) {
203 PrintAndLog("Usage: hf mf rdsc <sector number> <key A/B> <key (12 hex symbols)>");
204 PrintAndLog(" sample: hf mf rdsc 0 A FFFFFFFFFFFF ");
205 return 0;
206 }
207
208 sectorNo = param_get8(Cmd, 0);
209 if (sectorNo > 39) {
210 PrintAndLog("Sector number must be less than 40");
211 return 1;
212 }
213 cmdp = param_getchar(Cmd, 1);
214 if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {
215 PrintAndLog("Key type must be A or B");
216 return 1;
217 }
218 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
219 if (param_gethex(Cmd, 2, key, 12)) {
220 PrintAndLog("Key must include 12 HEX symbols");
221 return 1;
222 }
223 PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));
224
225 UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
226 memcpy(c.d.asBytes, key, 6);
227 clearCommandBuffer();
228 SendCommand(&c);
229 PrintAndLog(" ");
230
231 UsbCommand resp;
232 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
233 isOK = resp.arg[0] & 0xff;
234 data = resp.d.asBytes;
235
236 PrintAndLog("isOk:%02x", isOK);
237 if (isOK) {
238 for (i = 0; i < (sectorNo<32?3:15); i++) {
239 PrintAndLog("data : %s", sprint_hex(data + i * 16, 16));
240 }
241 PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));
242 }
243 } else {
244 PrintAndLog("Command execute timeout");
245 }
246
247 return 0;
248 }
249
250 uint8_t FirstBlockOfSector(uint8_t sectorNo)
251 {
252 if (sectorNo < 32) {
253 return sectorNo * 4;
254 } else {
255 return 32 * 4 + (sectorNo - 32) * 16;
256 }
257 }
258
259 uint8_t NumBlocksPerSector(uint8_t sectorNo)
260 {
261 if (sectorNo < 32) {
262 return 4;
263 } else {
264 return 16;
265 }
266 }
267
268 int CmdHF14AMfDump(const char *Cmd)
269 {
270 uint8_t sectorNo, blockNo;
271
272 uint8_t keyA[40][6];
273 uint8_t keyB[40][6];
274 uint8_t rights[40][4];
275 uint8_t carddata[256][16];
276 uint8_t numSectors = 16;
277
278 FILE *fin;
279 FILE *fout;
280
281 UsbCommand resp;
282
283 char cmdp = param_getchar(Cmd, 0);
284 switch (cmdp) {
285 case '0' : numSectors = 5; break;
286 case '1' :
287 case '\0': numSectors = 16; break;
288 case '2' : numSectors = 32; break;
289 case '4' : numSectors = 40; break;
290 default: numSectors = 16;
291 }
292
293 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
294 PrintAndLog("Usage: hf mf dump [card memory]");
295 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
296 PrintAndLog("");
297 PrintAndLog("Samples: hf mf dump");
298 PrintAndLog(" hf mf dump 4");
299 return 0;
300 }
301
302 if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {
303 PrintAndLog("Could not find file dumpkeys.bin");
304 return 1;
305 }
306
307 // Read keys A from file
308 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
309 if (fread( keyA[sectorNo], 1, 6, fin ) == 0) {
310 PrintAndLog("File reading error.");
311 fclose(fin);
312 return 2;
313 }
314 }
315
316 // Read keys B from file
317 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
318 if (fread( keyB[sectorNo], 1, 6, fin ) == 0) {
319 PrintAndLog("File reading error.");
320 fclose(fin);
321 return 2;
322 }
323 }
324
325 fclose(fin);
326
327 PrintAndLog("|-----------------------------------------|");
328 PrintAndLog("|------ Reading sector access bits...-----|");
329 PrintAndLog("|-----------------------------------------|");
330
331 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
332 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};
333 memcpy(c.d.asBytes, keyA[sectorNo], 6);
334 clearCommandBuffer();
335 SendCommand(&c);
336
337 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
338 uint8_t isOK = resp.arg[0] & 0xff;
339 uint8_t *data = resp.d.asBytes;
340 if (isOK){
341 rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0
342 rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1
343 rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2
344 rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer
345 } else {
346 PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);
347 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
348 rights[sectorNo][3] = 0x01;
349 }
350 } else {
351 PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);
352 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
353 rights[sectorNo][3] = 0x01;
354 }
355 }
356
357 PrintAndLog("|-----------------------------------------|");
358 PrintAndLog("|----- Dumping all blocks to file... -----|");
359 PrintAndLog("|-----------------------------------------|");
360
361 bool isOK = true;
362 for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
363 for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
364 bool received = false;
365
366 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A.
367 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
368 memcpy(c.d.asBytes, keyA[sectorNo], 6);
369 clearCommandBuffer();
370 SendCommand(&c);
371 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
372 } else { // data block. Check if it can be read with key A or key B
373 uint8_t data_area = sectorNo<32?blockNo:blockNo/5;
374 if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work
375 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
376 memcpy(c.d.asBytes, keyB[sectorNo], 6);
377 SendCommand(&c);
378 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
379 } else if (rights[sectorNo][data_area] == 0x07) { // no key would work
380 isOK = false;
381 PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);
382 } else { // key A would work
383 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
384 memcpy(c.d.asBytes, keyA[sectorNo], 6);
385 clearCommandBuffer();
386 SendCommand(&c);
387 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
388 }
389 }
390
391 if (received) {
392 isOK = resp.arg[0] & 0xff;
393 uint8_t *data = resp.d.asBytes;
394 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys.
395 data[0] = (keyA[sectorNo][0]);
396 data[1] = (keyA[sectorNo][1]);
397 data[2] = (keyA[sectorNo][2]);
398 data[3] = (keyA[sectorNo][3]);
399 data[4] = (keyA[sectorNo][4]);
400 data[5] = (keyA[sectorNo][5]);
401 data[10] = (keyB[sectorNo][0]);
402 data[11] = (keyB[sectorNo][1]);
403 data[12] = (keyB[sectorNo][2]);
404 data[13] = (keyB[sectorNo][3]);
405 data[14] = (keyB[sectorNo][4]);
406 data[15] = (keyB[sectorNo][5]);
407 }
408 if (isOK) {
409 memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);
410 PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);
411 } else {
412 PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);
413 break;
414 }
415 }
416 else {
417 isOK = false;
418 PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);
419 break;
420 }
421 }
422 }
423
424 if (isOK) {
425 if ((fout = fopen("dumpdata.bin","wb")) == NULL) {
426 PrintAndLog("Could not create file name dumpdata.bin");
427 return 1;
428 }
429 uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);
430 fwrite(carddata, 1, 16*numblocks, fout);
431 fclose(fout);
432 PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);
433 }
434
435 return 0;
436 }
437
438 int CmdHF14AMfRestore(const char *Cmd)
439 {
440 uint8_t sectorNo,blockNo;
441 uint8_t keyType = 0;
442 uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
443 uint8_t bldata[16] = {0x00};
444 uint8_t keyA[40][6];
445 uint8_t keyB[40][6];
446 uint8_t numSectors;
447
448 FILE *fdump;
449 FILE *fkeys;
450
451 char cmdp = param_getchar(Cmd, 0);
452 switch (cmdp) {
453 case '0' : numSectors = 5; break;
454 case '1' :
455 case '\0': numSectors = 16; break;
456 case '2' : numSectors = 32; break;
457 case '4' : numSectors = 40; break;
458 default: numSectors = 16;
459 }
460
461 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
462 PrintAndLog("Usage: hf mf restore [card memory]");
463 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
464 PrintAndLog("");
465 PrintAndLog("Samples: hf mf restore");
466 PrintAndLog(" hf mf restore 4");
467 return 0;
468 }
469
470 if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
471 PrintAndLog("Could not find file dumpkeys.bin");
472 return 1;
473 }
474
475 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
476 if (fread(keyA[sectorNo], 1, 6, fkeys) == 0) {
477 PrintAndLog("File reading error (dumpkeys.bin).");
478 fclose(fkeys);
479 return 2;
480 }
481 }
482
483 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
484 if (fread(keyB[sectorNo], 1, 6, fkeys) == 0) {
485 PrintAndLog("File reading error (dumpkeys.bin).");
486 fclose(fkeys);
487 return 2;
488 }
489 }
490
491 fclose(fkeys);
492
493 if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {
494 PrintAndLog("Could not find file dumpdata.bin");
495 return 1;
496 }
497 PrintAndLog("Restoring dumpdata.bin to card");
498
499 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
500 for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
501 UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};
502 memcpy(c.d.asBytes, key, 6);
503
504 if (fread(bldata, 1, 16, fdump) == 0) {
505 PrintAndLog("File reading error (dumpdata.bin).");
506 fclose(fdump);
507 return 2;
508 }
509
510 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer
511 bldata[0] = (keyA[sectorNo][0]);
512 bldata[1] = (keyA[sectorNo][1]);
513 bldata[2] = (keyA[sectorNo][2]);
514 bldata[3] = (keyA[sectorNo][3]);
515 bldata[4] = (keyA[sectorNo][4]);
516 bldata[5] = (keyA[sectorNo][5]);
517 bldata[10] = (keyB[sectorNo][0]);
518 bldata[11] = (keyB[sectorNo][1]);
519 bldata[12] = (keyB[sectorNo][2]);
520 bldata[13] = (keyB[sectorNo][3]);
521 bldata[14] = (keyB[sectorNo][4]);
522 bldata[15] = (keyB[sectorNo][5]);
523 }
524
525 PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));
526
527 memcpy(c.d.asBytes + 10, bldata, 16);
528 clearCommandBuffer();
529 SendCommand(&c);
530
531 UsbCommand resp;
532 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
533 uint8_t isOK = resp.arg[0] & 0xff;
534 PrintAndLog("isOk:%02x", isOK);
535 } else {
536 PrintAndLog("Command execute timeout");
537 }
538 }
539 }
540
541 fclose(fdump);
542 return 0;
543 }
544
545 int CmdHF14AMfNested(const char *Cmd)
546 {
547 int i, j, res, iterations;
548 sector *e_sector = NULL;
549 uint8_t blockNo = 0;
550 uint8_t keyType = 0;
551 uint8_t trgBlockNo = 0;
552 uint8_t trgKeyType = 0;
553 uint8_t SectorsCnt = 0;
554 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
555 uint8_t keyBlock[14*6];
556 uint64_t key64 = 0;
557 bool transferToEml = false;
558
559 bool createDumpFile = false;
560 FILE *fkeys;
561 uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
562 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
563
564 char cmdp, ctmp;
565
566 if (strlen(Cmd)<3) {
567 PrintAndLog("Usage:");
568 PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t,d]");
569 PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)>");
570 PrintAndLog(" <target block number> <target key A/B> [t]");
571 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
572 PrintAndLog("t - transfer keys into emulator memory");
573 PrintAndLog("d - write keys to binary file");
574 PrintAndLog(" ");
575 PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");
576 PrintAndLog(" sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");
577 PrintAndLog(" sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");
578 PrintAndLog(" sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");
579 return 0;
580 }
581
582 cmdp = param_getchar(Cmd, 0);
583 blockNo = param_get8(Cmd, 1);
584 ctmp = param_getchar(Cmd, 2);
585
586 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
587 PrintAndLog("Key type must be A or B");
588 return 1;
589 }
590
591 if (ctmp != 'A' && ctmp != 'a')
592 keyType = 1;
593
594 if (param_gethex(Cmd, 3, key, 12)) {
595 PrintAndLog("Key must include 12 HEX symbols");
596 return 1;
597 }
598
599 if (cmdp == 'o' || cmdp == 'O') {
600 cmdp = 'o';
601 trgBlockNo = param_get8(Cmd, 4);
602 ctmp = param_getchar(Cmd, 5);
603 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
604 PrintAndLog("Target key type must be A or B");
605 return 1;
606 }
607 if (ctmp != 'A' && ctmp != 'a')
608 trgKeyType = 1;
609 } else {
610
611 switch (cmdp) {
612 case '0': SectorsCnt = 05; break;
613 case '1': SectorsCnt = 16; break;
614 case '2': SectorsCnt = 32; break;
615 case '4': SectorsCnt = 40; break;
616 default: SectorsCnt = 16;
617 }
618 }
619
620 ctmp = param_getchar(Cmd, 4);
621 if (ctmp == 't' || ctmp == 'T') transferToEml = true;
622 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true;
623
624 ctmp = param_getchar(Cmd, 6);
625 transferToEml |= (ctmp == 't' || ctmp == 'T');
626 transferToEml |= (ctmp == 'd' || ctmp == 'D');
627
628 if (cmdp == 'o') {
629 PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');
630 int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);
631 if (isOK) {
632 switch (isOK) {
633 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
634 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
635 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
636 default : PrintAndLog("Unknown Error.\n");
637 }
638 return 2;
639 }
640 key64 = bytes_to_num(keyBlock, 6);
641 if (key64) {
642 PrintAndLog("Found valid key:%012"llx, key64);
643
644 // transfer key to the emulator
645 if (transferToEml) {
646 uint8_t sectortrailer;
647 if (trgBlockNo < 32*4) { // 4 block sector
648 sectortrailer = (trgBlockNo & 0x03) + 3;
649 } else { // 16 block sector
650 sectortrailer = (trgBlockNo & 0x0f) + 15;
651 }
652 mfEmlGetMem(keyBlock, sectortrailer, 1);
653
654 if (!trgKeyType)
655 num_to_bytes(key64, 6, keyBlock);
656 else
657 num_to_bytes(key64, 6, &keyBlock[10]);
658 mfEmlSetMem(keyBlock, sectortrailer, 1);
659 }
660 } else {
661 PrintAndLog("No valid key found");
662 }
663 }
664 else { // ------------------------------------ multiple sectors working
665 clock_t time1;
666 time1 = clock();
667
668 e_sector = calloc(SectorsCnt, sizeof(sector));
669 if (e_sector == NULL) return 1;
670
671 //test current key and additional standard keys first
672 memcpy(keyBlock, key, 6);
673 num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6));
674 num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6));
675 num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6));
676 num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6));
677 num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6));
678 num_to_bytes(0x4d3a99c351dd, 6, (uint8_t*)(keyBlock + 6 * 6));
679 num_to_bytes(0x1a982c7e459a, 6, (uint8_t*)(keyBlock + 7 * 6));
680 num_to_bytes(0xd3f7d3f7d3f7, 6, (uint8_t*)(keyBlock + 8 * 6));
681 num_to_bytes(0x714c5c886e97, 6, (uint8_t*)(keyBlock + 9 * 6));
682 num_to_bytes(0x587ee5f9350f, 6, (uint8_t*)(keyBlock + 10 * 6));
683 num_to_bytes(0xa0478cc39091, 6, (uint8_t*)(keyBlock + 11 * 6));
684 num_to_bytes(0x533cb6c723f6, 6, (uint8_t*)(keyBlock + 12 * 6));
685 num_to_bytes(0x8fd0a4f256e9, 6, (uint8_t*)(keyBlock + 13 * 6));
686
687 PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
688 for (i = 0; i < SectorsCnt; i++) {
689 for (j = 0; j < 2; j++) {
690 if (e_sector[i].foundKey[j]) continue;
691
692 res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64);
693
694 if (!res) {
695 e_sector[i].Key[j] = key64;
696 e_sector[i].foundKey[j] = 1;
697 }
698 }
699 }
700
701 // nested sectors
702 iterations = 0;
703 PrintAndLog("nested...");
704 bool calibrate = true;
705 for (i = 0; i < NESTED_SECTOR_RETRY; i++) {
706 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
707 for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {
708 if (e_sector[sectorNo].foundKey[trgKeyType]) continue;
709 PrintAndLog("-----------------------------------------------");
710 int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);
711 if(isOK) {
712 switch (isOK) {
713 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
714 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
715 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
716 default : PrintAndLog("Unknown Error.\n");
717 }
718 free(e_sector);
719 return 2;
720 } else {
721 calibrate = false;
722 }
723
724 iterations++;
725
726 key64 = bytes_to_num(keyBlock, 6);
727 if (key64) {
728 PrintAndLog("Found valid key:%012"llx, key64);
729 e_sector[sectorNo].foundKey[trgKeyType] = 1;
730 e_sector[sectorNo].Key[trgKeyType] = key64;
731 }
732 }
733 }
734 }
735
736 printf("Time in nested: %1.3f (%1.3f sec per key)\n\n", ((float)clock() - time1)/CLOCKS_PER_SEC, ((float)clock() - time1)/iterations/CLOCKS_PER_SEC);
737
738 PrintAndLog("-----------------------------------------------\nIterations count: %d\n\n", iterations);
739 //print them
740 PrintAndLog("|---|----------------|---|----------------|---|");
741 PrintAndLog("|sec|key A |res|key B |res|");
742 PrintAndLog("|---|----------------|---|----------------|---|");
743 for (i = 0; i < SectorsCnt; i++) {
744 PrintAndLog("|%03d| %012"llx" | %d | %012"llx" | %d |", i,
745 e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);
746 }
747 PrintAndLog("|---|----------------|---|----------------|---|");
748
749 // transfer them to the emulator
750 if (transferToEml) {
751 for (i = 0; i < SectorsCnt; i++) {
752 mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
753 if (e_sector[i].foundKey[0])
754 num_to_bytes(e_sector[i].Key[0], 6, keyBlock);
755 if (e_sector[i].foundKey[1])
756 num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);
757 mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
758 }
759 }
760
761 // Create dump file
762 if (createDumpFile) {
763 if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
764 PrintAndLog("Could not create file dumpkeys.bin");
765 free(e_sector);
766 return 1;
767 }
768 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
769 for(i=0; i<SectorsCnt; i++) {
770 if (e_sector[i].foundKey[0]){
771 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
772 fwrite ( tempkey, 1, 6, fkeys );
773 }
774 else{
775 fwrite ( &standart, 1, 6, fkeys );
776 }
777 }
778 for(i=0; i<SectorsCnt; i++) {
779 if (e_sector[i].foundKey[1]){
780 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
781 fwrite ( tempkey, 1, 6, fkeys );
782 }
783 else{
784 fwrite ( &standart, 1, 6, fkeys );
785 }
786 }
787 fclose(fkeys);
788 }
789
790 free(e_sector);
791 }
792 return 0;
793 }
794
795
796 int CmdHF14AMfNestedHard(const char *Cmd)
797 {
798 uint8_t blockNo = 0;
799 uint8_t keyType = 0;
800 uint8_t trgBlockNo = 0;
801 uint8_t trgKeyType = 0;
802 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
803
804 char ctmp;
805 ctmp = param_getchar(Cmd, 0);
806 if (ctmp != 'R' && ctmp != 'r' && strlen(Cmd) < 20) {
807 PrintAndLog("Usage:");
808 PrintAndLog(" hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");
809 PrintAndLog(" <target block number> <target key A|B> [w] [s]");
810 PrintAndLog(" or hf mf hardnested r");
811 PrintAndLog(" ");
812 PrintAndLog("Options: ");
813 PrintAndLog(" w: Acquire nonces and write them to binary file nonces.bin");
814 PrintAndLog(" s: Slower acquisition (required by some non standard cards)");
815 PrintAndLog(" r: Read nonces.bin and start attack");
816 PrintAndLog(" ");
817 PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");
818 PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");
819 PrintAndLog(" sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");
820 PrintAndLog(" sample4: hf mf hardnested r");
821
822 return 0;
823 }
824
825 bool nonce_file_read = false;
826 bool nonce_file_write = false;
827 bool slow = false;
828
829 if (ctmp == 'R' || ctmp == 'r') {
830
831 nonce_file_read = true;
832
833 } else {
834
835 blockNo = param_get8(Cmd, 0);
836 ctmp = param_getchar(Cmd, 1);
837 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
838 PrintAndLog("Key type must be A or B");
839 return 1;
840 }
841 if (ctmp != 'A' && ctmp != 'a') {
842 keyType = 1;
843 }
844
845 if (param_gethex(Cmd, 2, key, 12)) {
846 PrintAndLog("Key must include 12 HEX symbols");
847 return 1;
848 }
849
850 trgBlockNo = param_get8(Cmd, 3);
851 ctmp = param_getchar(Cmd, 4);
852 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
853 PrintAndLog("Target key type must be A or B");
854 return 1;
855 }
856 if (ctmp != 'A' && ctmp != 'a') {
857 trgKeyType = 1;
858 }
859
860 uint16_t i = 5;
861 while ((ctmp = param_getchar(Cmd, i))) {
862 if (ctmp == 's' || ctmp == 'S') {
863 slow = true;
864 } else if (ctmp == 'w' || ctmp == 'W') {
865 nonce_file_write = true;
866 } else {
867 PrintAndLog("Possible options are w and/or s");
868 return 1;
869 }
870 i++;
871 }
872 }
873
874 PrintAndLog("--target block no:%3d, target key type:%c, file action: %s, Slow: %s ",
875 trgBlockNo,
876 trgKeyType?'B':'A',
877 nonce_file_write?"write":nonce_file_read?"read":"none",
878 slow?"Yes":"No");
879 int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, nonce_file_read, nonce_file_write, slow);
880 if (isOK) {
881 switch (isOK) {
882 case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
883 case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;
884 default : break;
885 }
886 return 2;
887 }
888
889 return 0;
890 }
891
892
893 int CmdHF14AMfChk(const char *Cmd)
894 {
895 if (strlen(Cmd)<3) {
896 PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");
897 PrintAndLog(" * - all sectors");
898 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
899 PrintAndLog("d - write keys to binary file");
900 PrintAndLog("t - write keys to emulator memory\n");
901 PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic");
902 PrintAndLog(" hf mf chk *1 ? t");
903 PrintAndLog(" hf mf chk *1 ? d");
904 return 0;
905 }
906
907 FILE * f;
908 char filename[FILE_PATH_SIZE]={0};
909 char buf[13];
910 uint8_t *keyBlock = NULL, *p;
911 uint8_t stKeyBlock = 20;
912
913 int i, res;
914 int keycnt = 0;
915 char ctmp = 0x00;
916 uint8_t blockNo = 0;
917 uint8_t SectorsCnt = 1;
918 uint8_t keyType = 0;
919 uint64_t key64 = 0;
920
921 int transferToEml = 0;
922 int createDumpFile = 0;
923
924 keyBlock = calloc(stKeyBlock, 6);
925 if (keyBlock == NULL) return 1;
926
927 uint64_t defaultKeys[] =
928 {
929 0xffffffffffff, // Default key (first key used by program if no user defined key)
930 0x000000000000, // Blank key
931 0xa0a1a2a3a4a5, // NFCForum MAD key
932 0xb0b1b2b3b4b5,
933 0xaabbccddeeff,
934 0x4d3a99c351dd,
935 0x1a982c7e459a,
936 0xd3f7d3f7d3f7,
937 0x714c5c886e97,
938 0x587ee5f9350f,
939 0xa0478cc39091,
940 0x533cb6c723f6,
941 0x8fd0a4f256e9
942 };
943 int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t);
944
945 for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)
946 {
947 num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
948 }
949
950 if (param_getchar(Cmd, 0)=='*') {
951 blockNo = 3;
952 switch(param_getchar(Cmd+1, 0)) {
953 case '0': SectorsCnt = 5; break;
954 case '1': SectorsCnt = 16; break;
955 case '2': SectorsCnt = 32; break;
956 case '4': SectorsCnt = 40; break;
957 default: SectorsCnt = 16;
958 }
959 }
960 else
961 blockNo = param_get8(Cmd, 0);
962
963 ctmp = param_getchar(Cmd, 1);
964 switch (ctmp) {
965 case 'a': case 'A':
966 keyType = !0;
967 break;
968 case 'b': case 'B':
969 keyType = !1;
970 break;
971 case '?':
972 keyType = 2;
973 break;
974 default:
975 PrintAndLog("Key type must be A , B or ?");
976 return 1;
977 };
978
979 ctmp = param_getchar(Cmd, 2);
980 if (ctmp == 't' || ctmp == 'T') transferToEml = 1;
981 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;
982
983 for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {
984 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
985 if ( stKeyBlock - keycnt < 2) {
986 p = realloc(keyBlock, 6*(stKeyBlock+=10));
987 if (!p) {
988 PrintAndLog("Cannot allocate memory for Keys");
989 free(keyBlock);
990 return 2;
991 }
992 keyBlock = p;
993 }
994 PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
995 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
996 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
997 keycnt++;
998 } else {
999 // May be a dic file
1000 if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {
1001 PrintAndLog("File name too long");
1002 free(keyBlock);
1003 return 2;
1004 }
1005
1006 if ( (f = fopen( filename , "r")) ) {
1007 while( fgets(buf, sizeof(buf), f) ){
1008 if (strlen(buf) < 12 || buf[11] == '\n')
1009 continue;
1010
1011 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1012
1013 if( buf[0]=='#' ) continue; //The line start with # is comment, skip
1014
1015 if (!isxdigit(buf[0])){
1016 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
1017 continue;
1018 }
1019
1020 buf[12] = 0;
1021
1022 if ( stKeyBlock - keycnt < 2) {
1023 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1024 if (!p) {
1025 PrintAndLog("Cannot allocate memory for defKeys");
1026 free(keyBlock);
1027 return 2;
1028 }
1029 keyBlock = p;
1030 }
1031 memset(keyBlock + 6 * keycnt, 0, 6);
1032 num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
1033 PrintAndLog("chk custom key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
1034 keycnt++;
1035 memset(buf, 0, sizeof(buf));
1036 }
1037 fclose(f);
1038 } else {
1039 PrintAndLog("File: %s: not found or locked.", filename);
1040 free(keyBlock);
1041 return 1;
1042
1043 }
1044 }
1045 }
1046
1047 if (keycnt == 0) {
1048 PrintAndLog("No key specified, trying default keys");
1049 for (;keycnt < defaultKeysSize; keycnt++)
1050 PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1051 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1052 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1053 }
1054
1055 // initialize storage for found keys
1056 bool validKey[2][40];
1057 uint8_t foundKey[2][40][6];
1058 for (uint16_t t = 0; t < 2; t++) {
1059 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1060 validKey[t][sectorNo] = false;
1061 for (uint16_t i = 0; i < 6; i++) {
1062 foundKey[t][sectorNo][i] = 0xff;
1063 }
1064 }
1065 }
1066
1067 for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) {
1068 int b=blockNo;
1069 for (int i = 0; i < SectorsCnt; ++i) {
1070 PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt);
1071 uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt;
1072 for (uint32_t c = 0; c < keycnt; c+=max_keys) {
1073 uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c;
1074 res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64);
1075 if (res != 1) {
1076 if (!res) {
1077 PrintAndLog("Found valid key:[%012"llx"]",key64);
1078 num_to_bytes(key64, 6, foundKey[t][i]);
1079 validKey[t][i] = true;
1080 }
1081 } else {
1082 PrintAndLog("Command execute timeout");
1083 }
1084 }
1085 b<127?(b+=4):(b+=16);
1086 }
1087 }
1088
1089 if (transferToEml) {
1090 uint8_t block[16];
1091 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1092 if (validKey[0][sectorNo] || validKey[1][sectorNo]) {
1093 mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1094 for (uint16_t t = 0; t < 2; t++) {
1095 if (validKey[t][sectorNo]) {
1096 memcpy(block + t*10, foundKey[t][sectorNo], 6);
1097 }
1098 }
1099 mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1100 }
1101 }
1102 PrintAndLog("Found keys have been transferred to the emulator memory");
1103 }
1104
1105 if (createDumpFile) {
1106 FILE *fkeys = fopen("dumpkeys.bin","wb");
1107 if (fkeys == NULL) {
1108 PrintAndLog("Could not create file dumpkeys.bin");
1109 free(keyBlock);
1110 return 1;
1111 }
1112 for (uint16_t t = 0; t < 2; t++) {
1113 fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys);
1114 }
1115 fclose(fkeys);
1116 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1117 }
1118
1119 free(keyBlock);
1120 PrintAndLog("");
1121 return 0;
1122 }
1123
1124 int CmdHF14AMf1kSim(const char *Cmd)
1125 {
1126 uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};
1127 uint8_t exitAfterNReads = 0;
1128 uint8_t flags = 0;
1129
1130 uint8_t cmdp = param_getchar(Cmd, 0);
1131
1132 if (cmdp == 'h' || cmdp == 'H') {
1133 PrintAndLog("Usage: hf mf sim u <uid (8 hex symbols)> n <numreads> i x");
1134 PrintAndLog(" h this help");
1135 PrintAndLog(" u (Optional) UID. If not specified, the UID from emulator memory will be used");
1136 PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
1137 PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
1138 PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
1139 PrintAndLog("");
1140 PrintAndLog(" sample: hf mf sim u 0a0a0a0a ");
1141 return 0;
1142 }
1143 uint8_t pnr = 0;
1144 if (param_getchar(Cmd, pnr) == 'u') {
1145 if(param_gethex(Cmd, pnr+1, uid, 8) == 0)
1146 {
1147 flags |= FLAG_4B_UID_IN_DATA; // UID from packet
1148 } else if(param_gethex(Cmd,pnr+1,uid,14) == 0) {
1149 flags |= FLAG_7B_UID_IN_DATA;// UID from packet
1150 } else {
1151 PrintAndLog("UID, if specified, must include 8 or 14 HEX symbols");
1152 return 1;
1153 }
1154 pnr +=2;
1155 }
1156 if (param_getchar(Cmd, pnr) == 'n') {
1157 exitAfterNReads = param_get8(Cmd,pnr+1);
1158 pnr += 2;
1159 }
1160 if (param_getchar(Cmd, pnr) == 'i' ) {
1161 //Using a flag to signal interactiveness, least significant bit
1162 flags |= FLAG_INTERACTIVE;
1163 pnr++;
1164 }
1165
1166 if (param_getchar(Cmd, pnr) == 'x' ) {
1167 //Using a flag to signal interactiveness, least significant bit
1168 flags |= FLAG_NR_AR_ATTACK;
1169 }
1170 PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) ",
1171 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1172 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): "N/A"
1173 , exitAfterNReads, flags,flags);
1174
1175
1176 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1177 memcpy(c.d.asBytes, uid, sizeof(uid));
1178 clearCommandBuffer();
1179 SendCommand(&c);
1180
1181 if(flags & FLAG_INTERACTIVE)
1182 {
1183 PrintAndLog("Press pm3-button to abort simulation");
1184
1185 uint8_t data[40];
1186 uint8_t key[6];
1187
1188 UsbCommand resp;
1189 while(!ukbhit() ){
1190 if ( WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1191 if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
1192 memset(data, 0x00, sizeof(data));
1193 memset(key, 0x00, sizeof(key));
1194 int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
1195
1196 memcpy(data, resp.d.asBytes, len);
1197
1198 uint64_t corr_uid = 0;
1199 if ( memcmp(data, "\x00\x00\x00\x00", 4) == 0 ) {
1200 corr_uid = (data[3] << 24) | (data[2] << 16) | (data[1] << 8) | data[0];
1201 }
1202 else {
1203 corr_uid |= (uint64_t)data[2] << 48;
1204 corr_uid |= (uint64_t)data[1] << 40;
1205 corr_uid |= (uint64_t)data[0] << 32;
1206 corr_uid |= data[7] << 24;
1207 corr_uid |= data[6] << 16;
1208 corr_uid |= data[5] << 8;
1209 corr_uid |= data[4];
1210 }
1211 tryMfk32(corr_uid, data, key);
1212 //tryMfk64(corr_uid, data, key);
1213 PrintAndLog("--");
1214 }
1215 }
1216 }
1217 }
1218 return 0;
1219 }
1220
1221 int CmdHF14AMfDbg(const char *Cmd)
1222 {
1223 int dbgMode = param_get32ex(Cmd, 0, 0, 10);
1224 if (dbgMode > 4) {
1225 PrintAndLog("Max debug mode parameter is 4 \n");
1226 }
1227
1228 if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {
1229 PrintAndLog("Usage: hf mf dbg <debug level>");
1230 PrintAndLog(" 0 - no debug messages");
1231 PrintAndLog(" 1 - error messages");
1232 PrintAndLog(" 2 - plus information messages");
1233 PrintAndLog(" 3 - plus debug messages");
1234 PrintAndLog(" 4 - print even debug messages in timing critical functions");
1235 PrintAndLog(" Note: this option therefore may cause malfunction itself");
1236 return 0;
1237 }
1238
1239 UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1240 SendCommand(&c);
1241
1242 return 0;
1243 }
1244
1245 int CmdHF14AMfEGet(const char *Cmd)
1246 {
1247 uint8_t blockNo = 0;
1248 uint8_t data[16] = {0x00};
1249
1250 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1251 PrintAndLog("Usage: hf mf eget <block number>");
1252 PrintAndLog(" sample: hf mf eget 0 ");
1253 return 0;
1254 }
1255
1256 blockNo = param_get8(Cmd, 0);
1257
1258 PrintAndLog(" ");
1259 if (!mfEmlGetMem(data, blockNo, 1)) {
1260 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1261 } else {
1262 PrintAndLog("Command execute timeout");
1263 }
1264
1265 return 0;
1266 }
1267
1268 int CmdHF14AMfEClear(const char *Cmd)
1269 {
1270 if (param_getchar(Cmd, 0) == 'h') {
1271 PrintAndLog("Usage: hf mf eclr");
1272 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1273 return 0;
1274 }
1275
1276 UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1277 SendCommand(&c);
1278 return 0;
1279 }
1280
1281 int CmdHF14AMfESet(const char *Cmd)
1282 {
1283 uint8_t memBlock[16];
1284 uint8_t blockNo = 0;
1285
1286 memset(memBlock, 0x00, sizeof(memBlock));
1287
1288 if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1289 PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>");
1290 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1291 return 0;
1292 }
1293
1294 blockNo = param_get8(Cmd, 0);
1295
1296 if (param_gethex(Cmd, 1, memBlock, 32)) {
1297 PrintAndLog("block data must include 32 HEX symbols");
1298 return 1;
1299 }
1300
1301 // 1 - blocks count
1302 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};
1303 memcpy(c.d.asBytes, memBlock, 16);
1304 SendCommand(&c);
1305 return 0;
1306 }
1307
1308 int CmdHF14AMfELoad(const char *Cmd)
1309 {
1310 FILE * f;
1311 char filename[FILE_PATH_SIZE];
1312 char *fnameptr = filename;
1313 char buf[64] = {0x00};
1314 uint8_t buf8[64] = {0x00};
1315 int i, len, blockNum, numBlocks;
1316 int nameParamNo = 1;
1317 uint8_t blockWidth = 32;
1318 char ctmp = param_getchar(Cmd, 0);
1319
1320 if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1321 PrintAndLog("It loads emul dump from the file `filename.eml`");
1322 PrintAndLog("Usage: hf mf eload [card memory] <file name w/o `.eml`>");
1323 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K, u = UL");
1324 PrintAndLog("");
1325 PrintAndLog(" sample: hf mf eload filename");
1326 PrintAndLog(" hf mf eload 4 filename");
1327 return 0;
1328 }
1329
1330 switch (ctmp) {
1331 case '0' : numBlocks = 5*4; break;
1332 case '1' :
1333 case '\0': numBlocks = 16*4; break;
1334 case '2' : numBlocks = 32*4; break;
1335 case '4' : numBlocks = 256; break;
1336 case 'U' : // fall through , NTAG 215 has 135blocks a 540 bytes.
1337 case 'u' : numBlocks = 135; blockWidth = 8; break;
1338 default: {
1339 numBlocks = 16*4;
1340 nameParamNo = 0;
1341 }
1342 }
1343
1344 len = param_getstr(Cmd,nameParamNo,filename);
1345
1346 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1347
1348 fnameptr += len;
1349
1350 sprintf(fnameptr, ".eml");
1351
1352 // open file
1353 f = fopen(filename, "r");
1354 if (f == NULL) {
1355 PrintAndLog("File %s not found or locked", filename);
1356 return 1;
1357 }
1358
1359 blockNum = 0;
1360 while(!feof(f)){
1361 memset(buf, 0, sizeof(buf));
1362
1363 if (fgets(buf, sizeof(buf), f) == NULL) {
1364
1365 if (blockNum >= numBlocks) break;
1366
1367 PrintAndLog("File reading error.");
1368 fclose(f);
1369 return 2;
1370 }
1371
1372 if (strlen(buf) < blockWidth){
1373 if(strlen(buf) && feof(f))
1374 break;
1375 PrintAndLog("File content error. Block data must include %d HEX symbols", blockWidth);
1376 fclose(f);
1377 return 2;
1378 }
1379
1380 for (i = 0; i < blockWidth; i += 2) {
1381 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1382 }
1383 if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) {
1384 PrintAndLog("Cant set emul block: %3d", blockNum);
1385 fclose(f);
1386 return 3;
1387 }
1388 printf(".");
1389 blockNum++;
1390
1391 if (blockNum >= numBlocks) break;
1392 }
1393 fclose(f);
1394 printf("\n");
1395
1396 if ((blockNum != numBlocks)) {
1397 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1398 return 4;
1399 }
1400 PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1401 return 0;
1402 }
1403
1404 int CmdHF14AMfESave(const char *Cmd)
1405 {
1406 FILE * f;
1407 char filename[FILE_PATH_SIZE];
1408 char * fnameptr = filename;
1409 uint8_t buf[64];
1410 int i, j, len, numBlocks;
1411 int nameParamNo = 1;
1412
1413 memset(filename, 0, sizeof(filename));
1414 memset(buf, 0, sizeof(buf));
1415
1416 char ctmp = param_getchar(Cmd, 0);
1417
1418 if ( ctmp == 'h' || ctmp == 'H') {
1419 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1420 PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]");
1421 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1422 PrintAndLog("");
1423 PrintAndLog(" sample: hf mf esave ");
1424 PrintAndLog(" hf mf esave 4");
1425 PrintAndLog(" hf mf esave 4 filename");
1426 return 0;
1427 }
1428
1429 switch (ctmp) {
1430 case '0' : numBlocks = 5*4; break;
1431 case '1' :
1432 case '\0': numBlocks = 16*4; break;
1433 case '2' : numBlocks = 32*4; break;
1434 case '4' : numBlocks = 256; break;
1435 default: {
1436 numBlocks = 16*4;
1437 nameParamNo = 0;
1438 }
1439 }
1440
1441 len = param_getstr(Cmd,nameParamNo,filename);
1442
1443 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1444
1445 // user supplied filename?
1446 if (len < 1) {
1447 // get filename (UID from memory)
1448 if (mfEmlGetMem(buf, 0, 1)) {
1449 PrintAndLog("Can\'t get UID from block: %d", 0);
1450 len = sprintf(fnameptr, "dump");
1451 fnameptr += len;
1452 }
1453 else {
1454 for (j = 0; j < 7; j++, fnameptr += 2)
1455 sprintf(fnameptr, "%02X", buf[j]);
1456 }
1457 } else {
1458 fnameptr += len;
1459 }
1460
1461 // add file extension
1462 sprintf(fnameptr, ".eml");
1463
1464 // open file
1465 f = fopen(filename, "w+");
1466
1467 if ( !f ) {
1468 PrintAndLog("Can't open file %s ", filename);
1469 return 1;
1470 }
1471
1472 // put hex
1473 for (i = 0; i < numBlocks; i++) {
1474 if (mfEmlGetMem(buf, i, 1)) {
1475 PrintAndLog("Cant get block: %d", i);
1476 break;
1477 }
1478 for (j = 0; j < 16; j++)
1479 fprintf(f, "%02X", buf[j]);
1480 fprintf(f,"\n");
1481 }
1482 fclose(f);
1483
1484 PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
1485
1486 return 0;
1487 }
1488
1489 int CmdHF14AMfECFill(const char *Cmd)
1490 {
1491 uint8_t keyType = 0;
1492 uint8_t numSectors = 16;
1493
1494 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1495 PrintAndLog("Usage: hf mf ecfill <key A/B> [card memory]");
1496 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1497 PrintAndLog("");
1498 PrintAndLog("samples: hf mf ecfill A");
1499 PrintAndLog(" hf mf ecfill A 4");
1500 PrintAndLog("Read card and transfer its data to emulator memory.");
1501 PrintAndLog("Keys must be laid in the emulator memory. \n");
1502 return 0;
1503 }
1504
1505 char ctmp = param_getchar(Cmd, 0);
1506 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1507 PrintAndLog("Key type must be A or B");
1508 return 1;
1509 }
1510 if (ctmp != 'A' && ctmp != 'a') keyType = 1;
1511
1512 ctmp = param_getchar(Cmd, 1);
1513 switch (ctmp) {
1514 case '0' : numSectors = 5; break;
1515 case '1' :
1516 case '\0': numSectors = 16; break;
1517 case '2' : numSectors = 32; break;
1518 case '4' : numSectors = 40; break;
1519 default: numSectors = 16;
1520 }
1521
1522 printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);
1523 UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
1524 SendCommand(&c);
1525 return 0;
1526 }
1527
1528 int CmdHF14AMfEKeyPrn(const char *Cmd)
1529 {
1530 int i;
1531 uint8_t numSectors;
1532 uint8_t data[16];
1533 uint64_t keyA, keyB;
1534
1535 char cmdp = param_getchar(Cmd, 0);
1536
1537 if ( cmdp == 'h' || cmdp == 'H' ) {
1538 PrintAndLog("It prints the keys loaded in the emulator memory");
1539 PrintAndLog("Usage: hf mf ekeyprn [card memory]");
1540 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1541 PrintAndLog("");
1542 PrintAndLog(" sample: hf mf ekeyprn 1");
1543 return 0;
1544 }
1545
1546 switch (cmdp) {
1547 case '0' : numSectors = 5; break;
1548 case '1' :
1549 case '\0': numSectors = 16; break;
1550 case '2' : numSectors = 32; break;
1551 case '4' : numSectors = 40; break;
1552 default: numSectors = 16;
1553 }
1554
1555 PrintAndLog("|---|----------------|----------------|");
1556 PrintAndLog("|sec|key A |key B |");
1557 PrintAndLog("|---|----------------|----------------|");
1558 for (i = 0; i < numSectors; i++) {
1559 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
1560 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1561 break;
1562 }
1563 keyA = bytes_to_num(data, 6);
1564 keyB = bytes_to_num(data + 10, 6);
1565 PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB);
1566 }
1567 PrintAndLog("|---|----------------|----------------|");
1568
1569 return 0;
1570 }
1571
1572 int CmdHF14AMfCSetUID(const char *Cmd)
1573 {
1574 uint8_t wipeCard = 0;
1575 uint8_t uid[8] = {0x00};
1576 uint8_t oldUid[8] = {0x00};
1577 uint8_t atqa[2] = {0x00};
1578 uint8_t sak[1] = {0x00};
1579 uint8_t atqaPresent = 1;
1580 int res;
1581 char ctmp;
1582 int argi=0;
1583
1584 if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') {
1585 PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols] [w]");
1586 PrintAndLog("sample: hf mf csetuid 01020304");
1587 PrintAndLog("sample: hf mf csetuid 01020304 0004 08 w");
1588 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
1589 PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line.");
1590 return 0;
1591 }
1592
1593 if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) {
1594 PrintAndLog("UID must include 8 HEX symbols");
1595 return 1;
1596 }
1597 argi++;
1598
1599 ctmp = param_getchar(Cmd, argi);
1600 if (ctmp == 'w' || ctmp == 'W') {
1601 wipeCard = 1;
1602 atqaPresent = 0;
1603 }
1604
1605 if (atqaPresent) {
1606 if (param_getchar(Cmd, argi)) {
1607 if (param_gethex(Cmd, argi, atqa, 4)) {
1608 PrintAndLog("ATQA must include 4 HEX symbols");
1609 return 1;
1610 }
1611 argi++;
1612 if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) {
1613 PrintAndLog("SAK must include 2 HEX symbols");
1614 return 1;
1615 }
1616 argi++;
1617 } else
1618 atqaPresent = 0;
1619 }
1620
1621 if(!wipeCard) {
1622 ctmp = param_getchar(Cmd, argi);
1623 if (ctmp == 'w' || ctmp == 'W') {
1624 wipeCard = 1;
1625 }
1626 }
1627
1628 PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4));
1629
1630 res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid, wipeCard);
1631 if (res) {
1632 PrintAndLog("Can't set UID. error=%d", res);
1633 return 1;
1634 }
1635
1636 PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
1637 PrintAndLog("new UID:%s", sprint_hex(uid, 4));
1638 return 0;
1639 }
1640
1641 int CmdHF14AMfCSetBlk(const char *Cmd)
1642 {
1643 uint8_t block[16] = {0x00};
1644 uint8_t blockNo = 0;
1645 uint8_t params = MAGIC_SINGLE;
1646 int res;
1647
1648 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1649 PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
1650 PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516");
1651 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
1652 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
1653 return 0;
1654 }
1655
1656 blockNo = param_get8(Cmd, 0);
1657
1658 if (param_gethex(Cmd, 1, block, 32)) {
1659 PrintAndLog("block data must include 32 HEX symbols");
1660 return 1;
1661 }
1662
1663 char ctmp = param_getchar(Cmd, 2);
1664 if (ctmp == 'w' || ctmp == 'W')
1665 params |= MAGIC_WIPE;
1666
1667 PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(block, 16));
1668
1669 res = mfCSetBlock(blockNo, block, NULL, params);
1670 if (res) {
1671 PrintAndLog("Can't write block. error=%d", res);
1672 return 1;
1673 }
1674 return 0;
1675 }
1676
1677 int CmdHF14AMfCLoad(const char *Cmd)
1678 {
1679 FILE * f;
1680 char filename[FILE_PATH_SIZE];
1681 char * fnameptr = filename;
1682 char buf[64] = {0x00};
1683 uint8_t buf8[64] = {0x00};
1684 uint8_t fillFromEmulator = 0;
1685 int i, len, blockNum, flags=0;
1686
1687 memset(filename, 0, sizeof(filename));
1688
1689 char ctmp = param_getchar(Cmd, 0);
1690
1691 if (ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1692 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
1693 PrintAndLog("or from emulator memory (option `e`)");
1694 PrintAndLog("Usage: hf mf cload <file name w/o `.eml`>");
1695 PrintAndLog(" or: hf mf cload e ");
1696 PrintAndLog(" sample: hf mf cload filename");
1697 return 0;
1698 }
1699
1700 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1701
1702 if (fillFromEmulator) {
1703 for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) {
1704 if (mfEmlGetMem(buf8, blockNum, 1)) {
1705 PrintAndLog("Cant get block: %d", blockNum);
1706 return 2;
1707 }
1708 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
1709 if (blockNum == 1) flags = 0; // just write
1710 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Magic Halt and switch off field.
1711
1712 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
1713 PrintAndLog("Cant set magic card block: %d", blockNum);
1714 return 3;
1715 }
1716 }
1717 return 0;
1718 } else {
1719 len = strlen(Cmd);
1720 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1721
1722 memcpy(filename, Cmd, len);
1723 fnameptr += len;
1724
1725 sprintf(fnameptr, ".eml");
1726
1727 // open file
1728 f = fopen(filename, "r");
1729 if (f == NULL) {
1730 PrintAndLog("File not found or locked.");
1731 return 1;
1732 }
1733
1734 blockNum = 0;
1735 while(!feof(f)){
1736
1737 memset(buf, 0, sizeof(buf));
1738
1739 if (fgets(buf, sizeof(buf), f) == NULL) {
1740 fclose(f);
1741 PrintAndLog("File reading error.");
1742 return 2;
1743 }
1744
1745 if (strlen(buf) < 32) {
1746 if(strlen(buf) && feof(f))
1747 break;
1748 PrintAndLog("File content error. Block data must include 32 HEX symbols");
1749 fclose(f);
1750 return 2;
1751 }
1752 for (i = 0; i < 32; i += 2)
1753 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1754
1755 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
1756 if (blockNum == 1) flags = 0; // just write
1757 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Switch off field.
1758
1759 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
1760 PrintAndLog("Can't set magic card block: %d", blockNum);
1761 return 3;
1762 }
1763 blockNum++;
1764
1765 if (blockNum >= 16 * 4) break; // magic card type - mifare 1K
1766 }
1767 fclose(f);
1768
1769 // 64 or 256blocks.
1770 if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
1771 PrintAndLog("File content error. There must be 64 blocks");
1772 return 4;
1773 }
1774 PrintAndLog("Loaded from file: %s", filename);
1775 return 0;
1776 }
1777 return 0;
1778 }
1779
1780 int CmdHF14AMfCGetBlk(const char *Cmd) {
1781 uint8_t data[16];
1782 uint8_t blockNo = 0;
1783 int res;
1784 memset(data, 0x00, sizeof(data));
1785 char ctmp = param_getchar(Cmd, 0);
1786
1787 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {
1788 PrintAndLog("Usage: hf mf cgetblk <block number>");
1789 PrintAndLog("sample: hf mf cgetblk 1");
1790 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
1791 return 0;
1792 }
1793
1794 blockNo = param_get8(Cmd, 0);
1795
1796 PrintAndLog("--block number:%2d ", blockNo);
1797
1798 res = mfCGetBlock(blockNo, data, MAGIC_SINGLE);
1799 if (res) {
1800 PrintAndLog("Can't read block. error=%d", res);
1801 return 1;
1802 }
1803
1804 PrintAndLog("data:%s", sprint_hex(data, sizeof(data)));
1805 return 0;
1806 }
1807
1808 int CmdHF14AMfCGetSc(const char *Cmd) {
1809 uint8_t data[16];
1810 uint8_t sectorNo = 0;
1811 int i, res, flags;
1812 memset(data, 0x00, sizeof(data));
1813 char ctmp = param_getchar(Cmd, 0);
1814
1815 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {
1816 PrintAndLog("Usage: hf mf cgetsc <sector number>");
1817 PrintAndLog("sample: hf mf cgetsc 0");
1818 PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");
1819 return 0;
1820 }
1821
1822 sectorNo = param_get8(Cmd, 0);
1823 if (sectorNo > 15) {
1824 PrintAndLog("Sector number must be in [0..15] as in MIFARE classic.");
1825 return 1;
1826 }
1827
1828 PrintAndLog("--sector number:%d ", sectorNo);
1829 PrintAndLog("block | data");
1830
1831 flags = MAGIC_INIT + MAGIC_WUPC;
1832 for (i = 0; i < 4; i++) {
1833 if (i == 1) flags = 0;
1834 if (i == 3) flags = MAGIC_HALT + MAGIC_OFF;
1835
1836 res = mfCGetBlock(sectorNo * 4 + i, data, flags);
1837 if (res) {
1838 PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res);
1839 return 1;
1840 }
1841 PrintAndLog(" %3d | %s", sectorNo * 4 + i, sprint_hex(data, sizeof(data)));
1842 }
1843 return 0;
1844 }
1845
1846 int CmdHF14AMfCSave(const char *Cmd) {
1847
1848 FILE * f;
1849 char filename[FILE_PATH_SIZE];
1850 char * fnameptr = filename;
1851 uint8_t fillFromEmulator = 0;
1852 uint8_t buf[64];
1853 int i, j, len, flags;
1854
1855 memset(filename, 0, sizeof(filename));
1856 memset(buf, 0, sizeof(buf));
1857 char ctmp = param_getchar(Cmd, 0);
1858
1859 if ( ctmp == 'h' || ctmp == 'H' ) {
1860 PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
1861 PrintAndLog("or into emulator memory (option `e`)");
1862 PrintAndLog("Usage: hf mf esave [file name w/o `.eml`][e]");
1863 PrintAndLog(" sample: hf mf esave ");
1864 PrintAndLog(" hf mf esave filename");
1865 PrintAndLog(" hf mf esave e \n");
1866 return 0;
1867 }
1868 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1869
1870 if (fillFromEmulator) {
1871 // put into emulator
1872 flags = MAGIC_INIT + MAGIC_WUPC;
1873 for (i = 0; i < 16 * 4; i++) {
1874 if (i == 1) flags = 0;
1875 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
1876
1877 if (mfCGetBlock(i, buf, flags)) {
1878 PrintAndLog("Cant get block: %d", i);
1879 break;
1880 }
1881
1882 if (mfEmlSetMem(buf, i, 1)) {
1883 PrintAndLog("Cant set emul block: %d", i);
1884 return 3;
1885 }
1886 }
1887 return 0;
1888 } else {
1889 len = strlen(Cmd);
1890 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1891
1892 // get filename based on UID
1893 if (len < 1) {
1894
1895 if (mfCGetBlock(0, buf, MAGIC_SINGLE)) {
1896 PrintAndLog("Cant get block: %d", 0);
1897 len = sprintf(fnameptr, "dump");
1898 fnameptr += len;
1899 } else {
1900 for (j = 0; j < 7; j++, fnameptr += 2)
1901 sprintf(fnameptr, "%02x", buf[j]);
1902 }
1903 } else {
1904 memcpy(filename, Cmd, len);
1905 fnameptr += len;
1906 }
1907
1908 // add .eml extension
1909 sprintf(fnameptr, ".eml");
1910
1911 // open file
1912 f = fopen(filename, "w+");
1913
1914 if (f == NULL) {
1915 PrintAndLog("File not found or locked.");
1916 return 1;
1917 }
1918
1919 // put hex
1920 flags = MAGIC_INIT + MAGIC_WUPC;
1921 for (i = 0; i < 16 * 4; i++) {
1922 if (i == 1) flags = 0;
1923 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
1924
1925 if (mfCGetBlock(i, buf, flags)) {
1926 PrintAndLog("Cant get block: %d", i);
1927 break;
1928 }
1929 for (j = 0; j < 16; j++)
1930 fprintf(f, "%02x", buf[j]);
1931 fprintf(f,"\n");
1932 }
1933 fflush(f);
1934 fclose(f);
1935 PrintAndLog("Saved to file: %s", filename);
1936 return 0;
1937 }
1938 }
1939
1940 int CmdHF14AMfSniff(const char *Cmd){
1941
1942 bool wantLogToFile = 0;
1943 bool wantDecrypt = 0;
1944 //bool wantSaveToEml = 0; TODO
1945 bool wantSaveToEmlFile = 0;
1946
1947 //var
1948 int res = 0;
1949 int len = 0;
1950 int blockLen = 0;
1951 int pckNum = 0;
1952 int num = 0;
1953 uint8_t uid[7];
1954 uint8_t uid_len;
1955 uint8_t atqa[2] = {0x00};
1956 uint8_t sak;
1957 bool isTag;
1958 uint8_t *buf = NULL;
1959 uint16_t bufsize = 0;
1960 uint8_t *bufPtr = NULL;
1961
1962 char ctmp = param_getchar(Cmd, 0);
1963 if ( ctmp == 'h' || ctmp == 'H' ) {
1964 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
1965 PrintAndLog("You can specify:");
1966 PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");
1967 PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");
1968 PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
1969 PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
1970 PrintAndLog("Usage: hf mf sniff [l][d][e][f]");
1971 PrintAndLog(" sample: hf mf sniff l d e");
1972 return 0;
1973 }
1974
1975 for (int i = 0; i < 4; i++) {
1976 ctmp = param_getchar(Cmd, i);
1977 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
1978 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
1979 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
1980 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
1981 }
1982
1983 printf("-------------------------------------------------------------------------\n");
1984 printf("Executing command. \n");
1985 printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
1986 printf("Press the key on pc keyboard to abort the client.\n");
1987 printf("-------------------------------------------------------------------------\n");
1988
1989 UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
1990 clearCommandBuffer();
1991 SendCommand(&c);
1992
1993 // wait cycle
1994 while (true) {
1995 printf(".");
1996 fflush(stdout);
1997 if (ukbhit()) {
1998 getchar();
1999 printf("\naborted via keyboard!\n");
2000 break;
2001 }
2002
2003 UsbCommand resp;
2004 if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) {
2005 res = resp.arg[0] & 0xff;
2006 uint16_t traceLen = resp.arg[1];
2007 len = resp.arg[2];
2008
2009 if (res == 0) return 0; // we are done
2010
2011 if (res == 1) { // there is (more) data to be transferred
2012 if (pckNum == 0) { // first packet, (re)allocate necessary buffer
2013 if (traceLen > bufsize) {
2014 uint8_t *p;
2015 if (buf == NULL) { // not yet allocated
2016 p = malloc(traceLen);
2017 } else { // need more memory
2018 p = realloc(buf, traceLen);
2019 }
2020 if (p == NULL) {
2021 PrintAndLog("Cannot allocate memory for trace");
2022 free(buf);
2023 return 2;
2024 }
2025 buf = p;
2026 }
2027 bufPtr = buf;
2028 bufsize = traceLen;
2029 memset(buf, 0x00, traceLen);
2030 }
2031 memcpy(bufPtr, resp.d.asBytes, len);
2032 bufPtr += len;
2033 pckNum++;
2034 }
2035
2036 if (res == 2) { // received all data, start displaying
2037 blockLen = bufPtr - buf;
2038 bufPtr = buf;
2039 printf(">\n");
2040 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
2041 while (bufPtr - buf < blockLen) {
2042 bufPtr += 6; // skip (void) timing information
2043 len = *((uint16_t *)bufPtr);
2044 if(len & 0x8000) {
2045 isTag = true;
2046 len &= 0x7fff;
2047 } else {
2048 isTag = false;
2049 }
2050 bufPtr += 2;
2051 if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {
2052 memcpy(uid, bufPtr + 2, 7);
2053 memcpy(atqa, bufPtr + 2 + 7, 2);
2054 uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;
2055 sak = bufPtr[11];
2056 PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",
2057 sprint_hex(uid + (7 - uid_len), uid_len),
2058 atqa[1],
2059 atqa[0],
2060 sak);
2061 if (wantLogToFile || wantDecrypt) {
2062 FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);
2063 AddLogCurrentDT(logHexFileName);
2064 }
2065 if (wantDecrypt)
2066 mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
2067 } else {
2068 PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
2069 if (wantLogToFile)
2070 AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
2071 if (wantDecrypt)
2072 mfTraceDecode(bufPtr, len, wantSaveToEmlFile);
2073 num++;
2074 }
2075 bufPtr += len;
2076 bufPtr += ((len-1)/8+1); // ignore parity
2077 }
2078 pckNum = 0;
2079 }
2080 } // resp not NULL
2081 } // while (true)
2082
2083 free(buf);
2084 return 0;
2085 }
2086
2087 //needs nt, ar, at, Data to decrypt
2088 int CmdHf14MfDecryptBytes(const char *Cmd){
2089 uint8_t data[50];
2090
2091 uint32_t nt = param_get32ex(Cmd,0,0,16);
2092 uint32_t ar_enc = param_get32ex(Cmd,1,0,16);
2093 uint32_t at_enc = param_get32ex(Cmd,2,0,16);
2094
2095 int len = 0;
2096 param_gethex_ex(Cmd, 3, data, &len);
2097
2098 len /= 2;
2099 int limit = sizeof(data) / 2;
2100
2101 if ( len >= limit )
2102 len = limit;
2103
2104 return tryDecryptWord( nt, ar_enc, at_enc, data, len);
2105 }
2106
2107 static command_t CommandTable[] =
2108 {
2109 {"help", CmdHelp, 1, "This help"},
2110 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
2111 {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
2112 {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
2113 {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},
2114 {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},
2115 {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
2116 {"chk", CmdHF14AMfChk, 0, "Test block keys"},
2117 {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},
2118 {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
2119 {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},
2120 {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},
2121 {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"},
2122 {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},
2123 {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},
2124 {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},
2125 {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},
2126 {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},
2127 {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},
2128 {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},
2129 {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},
2130 {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},
2131 {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},
2132 {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
2133 {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
2134 {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
2135 {"decrypt", CmdHf14MfDecryptBytes, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
2136 {NULL, NULL, 0, NULL}
2137 };
2138
2139 int CmdHFMF(const char *Cmd)
2140 {
2141 // flush
2142 WaitForResponseTimeout(CMD_ACK,NULL,100);
2143 CmdsParse(CommandTable, Cmd);
2144 return 0;
2145 }
2146
2147 int CmdHelp(const char *Cmd)
2148 {
2149 CmdsHelp(CommandTable);
2150 return 0;
2151 }
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